<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Promise 自定义</title>
    <!-- <script src="./Promise.js"></script> -->
</head>
<body>
    <script>
        let p = new Promise((resolve, reject) => {
            resolve('ok');
        });

        //then 方法的回调是『异步回调』
        let result = p.then(v => {
            console.log(111);
        });
        
        console.log(222);
        console.log(result);
    </script>
</body>
</html>